Discover interesting facts about the sun, the solar system's central star that supports all life on Earth.

For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.

A MYSTERIOUS cosmic object has been spotted zooming through our solar system – and astronomers say it is only the third of ...

Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...

An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed.

At this point, it remains unclear what the object may be or look like as it moves near Jupiter. Now, scientists are checking to confirm their findings. “ESA’s Planetary Defenders are observing the ...

How Big Is the Oort Cloud? The inner edge of the Oort Cloud is believed to be between 2,000 and 5,000 astronomical units (AU) from the sun—with one AU equal to around 93 million miles.

Discovered 1852, Psyche is the 16th largest asteroid in the solar system, stretching roughly 200 kilometers on a side. Psyche is what’s known as an “M-type” asteroid.